Focal K2 POWER M SUB 5 KM
Subwoofer
5″ / 154 mm
Nominal diameter
65 Hz
Resonance
1.0
Q factor
79 dB
Sensitivity
400 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 78.5
- dB
- Frequency response
- 35 - 250
- Hz
- Resonance frequency (free air)
- fS
- 65.0
- Hz
- Mechanical quality factor
- QMS
- 5.00
- Electrical quality factor
- QES
- 1.30
- Total quality factor
- QTS
- 1.00
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.45
- mH
- VC Diameter
- 60
- mm
- Force factor
- Bl
- 7.0
- N/A
- Motor constant
- Bl/√RE
- 4.04
- N/√W
- Effective diameter
- 110
- mm
- Effective area
- SD
- 95
- cm²
- Moving mass
- MMS
- 51
- g
- Moving mass (without air load)
- MMD
- 50.3
- g
- Material
- Kevlar Sandwich
- Stiffness
- KMS
- 8.33
- N/mm
- Compliance
- CMS
- 120
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.5
- L
- Mechanical resistance
- RMS
- 4.17
- N·s/m
- Surround material
- TMD
- Nominal diameter
- 5
- ″
- 154
- mm
- Overall diameter
- 154
- mm
- Baffle cutout diameter
- 130
- mm
- Mounting depth
- 69
- mm
- Volume occupied by the driver (estimated)
- 0.91
- L
- Net weight
- 2.2
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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